/Engine/Source/Developer/MeshMergeUtilities/Public/IMeshMergeExtension.h
void OnCreatedMergedRawMeshes ( const [TArray](API\Runtime\Core\Containers\TArray)< [UStaticMeshComponent](API\Runtime\Engine\Components\UStaticMeshComponent) * > & MergedComponents, const class [FMeshMergeDataTracker](API\Developer\MeshMergeUtilities\FMeshMergeDataTracker) & DataTracker, [TArray](API\Runtime\Core\Containers\TArray)< [FMeshDescription](API\Runtime\MeshDescription\FMeshDescription) > & MergedMeshLODs )